Best Power Station for Refrigerator Backup (2026): 7 Picks Compared

A power station for refrigerator backup has one job: keep your fridge cold through a power outage, ideally without you touching anything. For most homes, the sweet spot is a 2kWh unit with an automatic (UPS) switchover. It keeps a full-size fridge running for about 15 hours on our conservative math, and close to 30 hours if your fridge is a recent, efficient model.

We compared the fridge-ready power stations from Jackery, EcoFlow, BLUETTI and Anker SOLIX that are on sale in the US right now, using each brand's spec sheet (checked September 27, 2026) and our own runtime math. BackupPowerHub doesn't run lab tests (see our editorial guidelines), so every runtime on this page is a calculation you can check. Prices update automatically from each brand's store, except where noted.

Quick picks

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Refrigerator Backup Power Stations Compared

Live prices first, then the specs that matter for a fridge: how long it runs, how fast it takes over when the grid drops and how quickly it refills.

ModelCapacity / outputPrice nowPer kWhLowest trackedLink
2,048Wh · 2,400W$799$1,199-33%
Lowest we have tracked
$390$799 (Oct 7)Check deal
1,024Wh · 1,500W$514$649-21%
Lowest we have tracked
$502$514 (Oct 7)Check deal
BLUETTI AC180
BLUETTIAC180
1,152Wh · 1,800W$499$433$449 (Oct 6)Check deal
Anker SOLIX C1000 Gen 2
Anker SOLIXC1000 Gen 2
1,024Wh · 2,000W$469.99
Lowest we have tracked
$459$469.99 (Oct 7)Check deal
BLUETTI Elite 400
BLUETTIElite 400
3,840Wh · 2,600W$1,399
Lowest we have tracked
$364$1,399 (Oct 7)Check deal
3,584Wh · 3,600W$1,554$1,899-18%
Lowest we have tracked
$434$1,554 (Oct 7)Check deal

Prices come from each brand's US store and refresh automatically every few hours (oldest check on this table: Oct 7, 9:00 PM ET). Sale prices can change within the hour; the price in your cart is the one that counts. Prices, not coupon codes: some stores stack extra member or sign-up discounts at checkout.

The Anker SOLIX S2000 isn't in our price tracker: it listed at $999.99 on Anker's US store on September 27, 2026.

Model Capacity Output (surge) UPS switchover Fridge runtime* Wall recharge Weight
EcoFlow DELTA 3 Max 2,048Wh 2,400W (4,800W) Under 10 ms About 15 h 80% in 68 min 44.8 lb
Anker SOLIX S2000 2,010Wh 1,500W (3,000W) 10 ms About 14 h Full in about 1.4 h 35.7 lb
Jackery HomePower 1000 v2 1,024Wh 1,500W (3,000W) Under 10 ms About 7.5 h Full in 50 min 23.4 lb
BLUETTI AC180 1,152Wh 1,800W (2,700W) Not listed About 8 h 80% in 45 min 35.3 lb
Anker SOLIX C1000 Gen 2 1,024Wh 2,000W (3,000W) 10 ms About 7.5 h Full in 49 min 24.9 lb
BLUETTI Elite 400 3,840Wh 2,600W 15 ms About 27 h 80% in 1.9 h On wheels
Jackery HomePower 3600 Plus 3,584Wh (up to 21.5kWh) 3,600W (7,200W) Under 10 ms About 25 h Full in about 2.5 h 77 lb

*Full-size fridge averaging a conservative 120W. An efficient fridge averaging 60W runs about twice as long. Fastest wall charging mode listed by each brand.

Buying around Black Friday? We track live prices on 46 power stations from Jackery, EcoFlow, BLUETTI and Anker SOLIX, next to the lowest price we have logged since September. See our Black Friday power station deals before you buy.

How Long Will a Power Station Run a Refrigerator?

It depends on two numbers: the station's usable capacity and your fridge's average draw. A compressor doesn't run all the time. It cycles on and off, so a fridge that pulls 150W while running may average only 50 to 120W over a day.

Runtime (hours) ≈ capacity (Wh) × 0.85 ÷ average draw (W)Example: a 2,048Wh station and a fridge averaging 120W ≈ 15 hours

The 0.85 factor covers inverter losses: the energy spent turning battery power into 120V AC. On this page we use two reference fridges. The conservative one averages 120W, typical of an older full-size fridge, a warm kitchen or a busy household. The efficient one averages 60W, typical of a recent Energy Star model with the door mostly closed.

Find Your Fridge's Real Average Draw

Look for the yellow EnergyGuide label on the fridge, or its spec sheet. It gives the estimated yearly energy use in kWh. Divide that number by 8.76 to get the average draw in watts: a fridge rated at 500 kWh a year averages about 57W.

That is also why brand claims look so high. Anker quotes up to 35 hours for its 2kWh S2000 and Jackery up to 30 hours for its 1kWh FridgeGuard: both come from efficient fridges measured in controlled conditions, close to or below our 60W case.

Startup Surge: Why Small Units Trip

Each time the compressor starts, it draws a short spike several times its running watts. That spike, not the average, is what trips an undersized power station. Every pick below handles it, with at least 1,500W of continuous output. Note that BLUETTI's Power Lifting mode is meant for resistive loads such as kettles and heaters, so it doesn't count for a compressor start.

Runtime for Each Pick

Model Busy fridge (120W) Efficient fridge (60W) Fridge + freezer (180W)
EcoFlow DELTA 3 Max (2,048Wh) About 15 h About 29 h About 9.5 h
Anker SOLIX S2000 (2,010Wh) About 14 h About 28 h About 9.5 h
Jackery HomePower 1000 v2 (1,024Wh) About 7.5 h About 15 h About 5 h
BLUETTI AC180 (1,152Wh) About 8 h About 16 h About 5.5 h
Anker SOLIX C1000 Gen 2 (1,024Wh) About 7.5 h About 15 h About 5 h
BLUETTI Elite 400 (3,840Wh) About 27 h About 54 h About 18 h
Jackery HomePower 3600 Plus (3,584Wh) About 25 h About 51 h About 17 h

For comparison, FoodSafety.gov says a refrigerator keeps food safe for up to 4 hours without power if the door stays closed, and a full freezer holds a safe temperature for about 48 hours (24 hours if half full). Even the smallest pick here stretches the fridge well past that limit.

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What Size Power Station Do You Need for a Refrigerator?

Match the capacity to the longest outage you want to ride through without recharging.

🌙

Overnight

About 7.5 to 8 hours on a busy full-size fridge, 15 hours or more on an efficient one.

Look for: 1,000 to 1,200Wh and a UPS switchover.

🧊

Multi-day, or fridge + freezer

25 hours or more for a fridge alone, 17 to 18 hours with a freezer too.

Look for: 3,500Wh or more, extra batteries and solar input.

Backing up insulin or other medication? Temperature stability matters more than runtime; see our insulin and medication fridge backup guide. For a mixed load (fridge plus internet, lights and a CPAP), run your devices through the power station calculator.

#1 EcoFlow DELTA 3 Max: Best Overall for a Full-Size Fridge

EcoFlow DELTA 3 Max
Best overall

EcoFlow DELTA 3 Max

2,048Wh · 2,400W output · Lowest tracked: $799 (Oct 7)

$799$1,199-33%
Lowest we have tracked

2,048Wh and a switchover under 10 ms: about 15 hours for a full-size fridge.

See the deal on EcoFlow Read our review

The DELTA 3 Max gives a full-size fridge a full day of backup in a unit one person can still lift. It holds 2,048Wh, delivers 2,400W (4,800W surge) and switches to battery in under 10 ms, so the fridge never notices the outage. EcoFlow rates it at 25 dB or less at 600W, quiet enough for a kitchen.

When the grid comes back, it refills to 80% in 68 minutes from the wall, and it accepts up to 500W of solar during a long outage. The trade-off: this standard version takes no extra battery. If you want to add batteries later, look at the DELTA 3 Max Plus instead.

EcoFlow DELTA 3 Max Key Specs and Fridge Runtime

2,048Wh

LiFePO4, 44.8 lb

2,400W

4,800W surge

Under 10 ms

UPS switchover

68 min

0 to 80% from the wall

Runtime: about 15 hours for a busy full-size fridge (120W), about 29 hours for an efficient one (60W).

EcoFlow DELTA 3 Max Pros and Cons

Pros

  • A full day for a full-size fridge
  • Switchover under 10 ms
  • 25 dB or less at 600W

Cons

  • No extra battery on this version
  • 500W solar input
  • 44.8 lb

More detail in our EcoFlow DELTA 3 Max review.

#2 Anker SOLIX S2000: Built Around the Fridge

Anker SOLIX S2000
Best fridge-first design

Anker SOLIX S2000

2,010Wh · 1,500W output · Price checked Sep 27, 2026

$999.99

Anker's fridge-first 2kWh unit: about 6W idle draw and 10,000 rated cycles.

See the deal on Anker SOLIX

The S2000 is the first power station Anker built around a single job: keeping a fridge running. It holds 2,010Wh in a box small enough for a kitchen corner (8.2 × 11.1 × 12.7 in, 35.7 lb), switches over in 10 ms and has five AC outlets front and rear. Anker says it draws about 6W at idle with the AC output on. That matters for a fridge, because the station spends most of an outage waiting between compressor cycles.

Anker quotes up to 35 hours of fridge backup, from its own tests on a 24.7 cu ft fridge in a 77°F room. Our conservative math gives about 14 hours at 120W and 28 hours at 60W, and the low idle draw should push real results toward the top of that range. The cells are rated for 10,000 cycles to 60% (6,000 cycles to 80%). The limits: 1,500W of continuous output, no extra battery, and a price our engine can't track, so check it on Anker's store.

Anker SOLIX S2000 Key Specs and Fridge Runtime

2,010Wh

LiFePO4, 35.7 lb

1,500W

3,000W peak

10 ms

UPS, about 6W idle draw

10,000 cycles

to 60%, 5-year warranty

Runtime: about 14 hours for a busy full-size fridge (120W), about 28 hours for an efficient one (60W). Anker's own figure: up to 35 hours.

Anker SOLIX S2000 Pros and Cons

Pros

  • About 6W idle draw (Anker figure)
  • 10,000-cycle rating
  • Smallest and lightest 2kWh pick

Cons

  • 1,500W continuous output
  • Not expandable
  • Price not tracked live on this page

#3 Jackery HomePower 1000 v2: Best Plug-and-Forget Fridge UPS

Jackery HomePower 1000 v2
Best fridge UPS

Jackery HomePower 1000 v2

1,024Wh · 1,500W output · Lowest tracked: $514 (Oct 7)

$514$649-21%
Lowest we have tracked

A 1kWh home battery that takes over in under 10 ms.

See the deal on Jackery Read our review

The HomePower 1000 v2 is built to sit next to the fridge, plugged in, for years. It works like a big UPS: the fridge runs from the wall through the unit, and when the grid drops it switches to its 1,024Wh LiFePO4 battery in under 10 ms. Jackery also lists lightning protection and 3kV surge protection, useful in thunderstorm country.

It is light (23.4 lb) and quiet (under 30 dB in Quiet Mode), and its cells are rated for 6,000 cycles to 70%. The limit is capacity: about 7.5 hours for a busy full-size fridge and 15 for an efficient one, with no way to add batteries. For the same idea with room to grow, the HomePower 1000 Plus v2 expands to 11kWh.

Jackery HomePower 1000 v2 Key Specs and Fridge Runtime

1,024Wh

LiFePO4, 23.4 lb

1,500W

3,000W surge

Under 10 ms

UPS switchover

50 min

full, Emergency charging mode

Runtime: about 7.5 hours for a busy full-size fridge (120W), about 15 hours for an efficient one (60W).

Jackery HomePower 1000 v2 Pros and Cons

Pros

  • Designed to stay plugged in as a UPS
  • Lightning and surge protection
  • 6,000-cycle rating

Cons

  • 1kWh, not expandable
  • 400W solar input
  • Only 3 AC outlets

More detail in our Jackery HomePower 1000 v2 review.

#4 BLUETTI AC180: Best Budget Pick

BLUETTI AC180
Best budget pick

BLUETTI AC180

1,152Wh · 1,800W output · Lowest tracked: $449 (Oct 6)

$499

1,152Wh, the most capacity of the 1kWh-class picks.

See the deal on BLUETTI Read our review

If the budget is tight, the AC180 is usually the least expensive way to get a full night of fridge backup. It holds 1,152Wh, the most of the 1kWh-class picks, and runs 1,800W with a 2,700W surge: about 8 hours for a busy full-size fridge and 16 for an efficient one.

Turbo charging refills it to 80% in 45 minutes from the wall, and it accepts up to 500W of solar. Two limits: BLUETTI doesn't publish a UPS switchover time for the AC180, so if automatic takeover matters, the Jackery or Anker 1kWh picks are the safer choice. And at 35.3 lb, it is the heaviest of the 1kWh units.

BLUETTI AC180 Key Specs and Fridge Runtime

1,152Wh

LiFePO4, 35.3 lb

1,800W

2,700W surge

45 min

0 to 80%, turbo charging

3,500+ cycles

5-year warranty

Runtime: about 8 hours for a busy full-size fridge (120W), about 16 hours for an efficient one (60W).

BLUETTI AC180 Pros and Cons

Pros

  • Most capacity of the 1kWh-class picks
  • Fast turbo charging
  • Usually the lowest price here

Cons

  • No published UPS switchover time
  • Not expandable
  • 35.3 lb

More detail in our BLUETTI AC180 review.

#5 Anker SOLIX C1000 Gen 2: Fastest Recharge Between Outages

Anker SOLIX C1000 Gen 2
Fastest recharge

Anker SOLIX C1000 Gen 2

1,024Wh · 2,000W output · Lowest tracked: $469.99 (Oct 7)

$469.99
Lowest we have tracked

Full in 49 minutes from the wall, with a 10 ms switchover.

See the deal on Anker SOLIX Read our review

Storms often come in waves: the power drops, comes back for an hour, then drops again. The C1000 Gen 2 is the pick for that pattern. With 1,600W of AC input it goes from empty to full in 49 minutes, so a short return of the grid is enough to refill it. It switches over in 10 ms and runs 2,000W (3,000W peak).

At 24.9 lb, it is also easy to carry to a garage fridge or a chest freezer. Capacity is the usual 1kWh limit: about 7.5 hours for a busy fridge and 15 for an efficient one, with up to 600W of solar input to refill during the day.

Anker SOLIX C1000 Gen 2 Key Specs and Fridge Runtime

1,024Wh

LiFePO4, 24.9 lb

2,000W

3,000W peak

49 min

full from the wall

4,000 cycles

to 80%, 10 ms UPS

Runtime: about 7.5 hours for a busy full-size fridge (120W), about 15 hours for an efficient one (60W).

Anker SOLIX C1000 Gen 2 Pros and Cons

Pros

  • Fastest full recharge here
  • 600W solar input
  • Light at 24.9 lb

Cons

  • Not expandable
  • About 7.5 hours on a busy full-size fridge

More detail in our Anker SOLIX C1000 Gen 2 review and our C1000 vs C1000 Gen 2 comparison.

#6 BLUETTI Elite 400: Best for a Fridge and a Freezer

BLUETTI Elite 400
Best for fridge + freezer

BLUETTI Elite 400

3,840Wh · 2,600W output · Lowest tracked: $1,399 (Oct 7)

$1,399
Lowest we have tracked

3,840Wh on wheels: about 18 hours for a fridge and a freezer together.

See the deal on BLUETTI Read our review

A fridge plus a chest or upright freezer is where 2kWh units run short. The Elite 400 holds 3,840Wh: about 27 hours for a busy full-size fridge alone, or about 18 hours with a freezer on the same unit (180W combined). It delivers 2,600W and switches over in 15 ms.

It rolls on built-in wheels with a handle, so it can sit between the kitchen and the garage. From the wall it reaches 80% in 1.9 hours (70 minutes with AC and solar together), and it accepts up to 1,000W of solar. BLUETTI also says its low idle draw gives up to 1.3 times the runtime of units with the same capacity. It takes no extra batteries.

BLUETTI Elite 400 Key Specs and Fridge Runtime

3,840Wh

LiFePO4, on wheels

2,600W

3,900W Power Lifting

15 ms

UPS switchover

1,000W

solar input

Runtime: about 27 hours for a busy full-size fridge (120W), about 54 hours for an efficient one (60W), about 18 hours for a fridge and a freezer (180W).

BLUETTI Elite 400 Pros and Cons

Pros

  • Most capacity in a single box on this list
  • Built-in wheels and handle
  • 1,000W solar input

Cons

  • Not expandable
  • 1.9 hours to 80% from the wall alone
  • 15 ms switchover, slower than the 10 ms picks

More detail in our BLUETTI Elite 400 review.

#7 Jackery HomePower 3600 Plus: Best for Multi-Day Outages

Jackery HomePower 3600 Plus
Best for multi-day outages

Jackery HomePower 3600 Plus

3,584Wh · 3,600W output · Lowest tracked: $1,554 (Oct 7)

$1,554$1,899-18%
Lowest we have tracked

3,584Wh now, up to 21.5kWh with extra battery packs.

See the deal on Jackery Read our review

After a hurricane or an ice storm, the grid can stay down for days. The HomePower 3600 Plus starts at 3,584Wh (about 25 hours on a busy fridge) and grows with Battery Pack 3600 units, up to about 21.5kWh per unit. At that size, a fridge and a freezer can run for about four days without recharging.

It delivers 3,600W (7,200W surge), switches over in under 10 ms, and its cells are rated for 6,000 cycles to 70%. From the wall it refills in about 2.5 hours at up to 1,800W, and it takes up to 1,000W of solar. It is 120V only from a single unit and weighs 77 lb, so it stays on its wheels.

Jackery HomePower 3600 Plus Key Specs and Fridge Runtime

3,584Wh

up to 21.5kWh

3,600W

7,200W surge

Under 10 ms

UPS switchover

6,000 cycles

to 70%

Runtime: about 25 hours for a busy full-size fridge (120W), about 51 hours for an efficient one (60W), about 17 hours for a fridge and a freezer (180W) before adding battery packs.

Jackery HomePower 3600 Plus Pros and Cons

Pros

  • Expands to about 21.5kWh
  • Switchover under 10 ms
  • 6,000-cycle rating

Cons

  • 77 lb
  • 120V only from one unit
  • 1,000W solar input

More detail in our Jackery HomePower 3600 Plus review.

Also Worth a Look

  • Jackery HomePower 1000 Plus v2: 1,024Wh that expands to 11kWh, the model Jackery itself suggests while the FridgeGuard is out of stock.
  • Jackery FridgeGuard: a 2.6-inch-thin, wall-mountable fridge battery (1,024Wh, 800W, UPS switchover under 10 ms). The base unit was sold out on Jackery's US store on September 27, 2026.
  • EcoFlow DELTA 3 Max Plus: the DELTA 3 Max with 3,000W of output and support for an extra battery.
  • EcoFlow DELTA 3 Plus: 1,024Wh that expands up to 5kWh, on pre-order (shipping in November) on September 27, 2026.
  • BLUETTI Elite 200 V2: 2,073.6Wh and 2,600W, about 15 hours on a busy full-size fridge.

How to Set Up a Power Station as a Fridge UPS

Step 1Charge it and leave it plugged in

Plug the station into a wall outlet near the fridge and charge it to 100%.

Step 2Plug the fridge into the station

In normal times the fridge runs from the grid through the station, and the battery stays full.

Step 3Check the app settings once

Most units switch over on their own. Some brands add a UPS or backup reserve setting in the app: make sure it is on.

Step 4Test it

Unplug the station from the wall and check that the fridge keeps running. Plug it back in when you are done.

⚠️

Plug the fridge straight into the station. If you need an extension cord, use a short, heavy-duty grounded one rated for the fridge. To back up more than the fridge, such as a well pump or whole circuits, you need a transfer switch installed by a licensed electrician: see our transfer switch installation guide.

Power Station or Gas Generator for a Fridge?

Power station

  • Safe indoors next to the fridge: no exhaust, no carbon monoxide
  • Silent, with no fuel to store
  • Takes over automatically when the grid fails
  • Recharges from solar during a long outage

Gas generator

  • Runs as long as you have fuel
  • Lower upfront cost per watt
  • Must run outdoors, away from windows
  • Someone has to start it and refuel it

Many homes end up with both: a power station for instant, silent backup, and a generator to recharge it when an outage runs into days. Our generator pairing guide explains how to size the two together, and the multi-day outage planning guide covers longer events.

How We Picked

We started from every model Jackery, EcoFlow, BLUETTI and Anker SOLIX sell in the US and kept the ones that do this job best, in stock on September 27, 2026. We compared them on:

Runtime per charge

Usable capacity against a busy fridge, an efficient fridge and a fridge with a freezer.

Switchover

Whether the unit takes over automatically, and how fast, so food stays cold while you sleep or travel.

Startup surge

Enough continuous and surge output to start a compressor every time.

Recharging

Wall charging speed between outages and solar input for long ones.

Specs come from each brand's US product page. Runtimes are our calculations with the formula above, rounded to the nearest half hour under 10 hours and to the nearest hour above. Prices come from each brand's store and refresh several times a day, except the Anker SOLIX S2000, checked by hand.

Frequently Asked Questions

What is the best power station for refrigerator backup?

For most homes, the EcoFlow DELTA 3 Max: 2,048Wh keeps a full-size fridge running for about 15 hours on our conservative math, and it switches over in under 10 ms. The Anker SOLIX S2000 is the fridge-first alternative, with a very low idle draw. For a fridge and a freezer together, the BLUETTI Elite 400 holds 3,840Wh. For outages that last several days, the Jackery HomePower 3600 Plus expands to about 21.5kWh. On a tight budget, the BLUETTI AC180 covers a night.

How long will a power station run a refrigerator?

Multiply the capacity in watt-hours by 0.85, then divide by the fridge's average draw. A busy full-size fridge averaging 120W runs about 7.5 hours on 1,024Wh, about 15 hours on 2,048Wh and about 27 hours on 3,840Wh. An efficient fridge averaging 60W runs about twice as long: roughly 15, 29 and 54 hours.

How long will a 1000Wh power station run a refrigerator?

About 7 hours for a full-size fridge averaging 120W, and about 14 hours for an efficient one averaging 60W (1,000 × 0.85 ÷ W). A compact or mini fridge averaging 30 to 40W can run about 21 to 28 hours.

What size portable power station will run a refrigerator?

For a full-size fridge through one night, get at least 1,000Wh and 1,500W of continuous output. For a full day, aim for 2,000Wh. For a fridge and a freezer, or for 24 hours and more on a busy fridge, look at 3,500Wh and up. Check your fridge's EnergyGuide label to size it precisely.

Can a portable power station run a full-size refrigerator?

Yes. A full-size fridge needs a short spike of power each time its compressor starts, and any unit with 1,500W or more of continuous output handles it. All seven picks on this page qualify. Runtime is the real limit, and it depends on capacity.

Can a power station work as a UPS for a refrigerator?

Yes, most modern units do. You plug the station into the wall and the fridge into the station. When the grid fails, the station switches to its battery automatically: in under 10 ms for the EcoFlow DELTA 3 Max and the Jackery HomePower models, 10 ms for the Anker S2000 and C1000 Gen 2, and 15 ms for the BLUETTI Elite 400. A fridge rides through that without restarting.

Can I run a refrigerator and a freezer on one power station?

Yes, if you size for both. Add their average draws: a busy fridge (120W) plus an upright freezer (60W) is about 180W. That gives about 18 hours on the 3,840Wh BLUETTI Elite 400 and about 17 hours on the 3,584Wh Jackery HomePower 3600 Plus, before any solar recharge.

Is it safe to run a power station indoors next to the fridge?

Yes. A battery power station has no engine and no exhaust, so it produces no carbon monoxide. Keep it on a dry, stable surface with space around its vents. A gas generator is different: it must always run outdoors, away from windows and doors.

Can I recharge the power station with solar during an outage?

Yes, all seven picks accept solar panels. Solar input ranges from 400W (Jackery HomePower 1000 v2) to 1,000W (BLUETTI Elite 400 and Jackery HomePower 3600 Plus). A few sunny hours can refill most of what a fridge used overnight.

Originally published: March 16, 2026

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